FVXX21 KNES 291625
VOLCANIC ASH ADVISORY
ISSUED: 2006MAY29/1623Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1642 W06210   AREA: W_INDIES

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2006/407

INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT
REPORTS

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 29/1602Z

OBS ASH CLOUD: SFC/FL150 8NM WIDE LINE BETWEEN
N1714 W06311 - N1642 W06210. ASH IS MOVING NW 5-15
KNOTS. 

FCST ASH CLOUD +6H: 29/2200Z SFC/FL150 8NM WIDE
LINE BETWEEN N1703 W06316 - N1642 W06210. 

FCST ASH CLOUD +12H: 30/0400Z SFC/FL150 8NM WIDE
LINE BETWEEN N1705 W06316 - N1642 W06210. 

FCST ASH CLOUD +18H: 30/1000Z SFC/FL150 8NM WIDE
LINE BETWEEN N1655 W06318 - N1641 W06210. 

REMARKS: ASH IS MOVING TOWARD THE WEST NORTHWEST
BUT THE ASH PLUME IS EXPECTED TO STAY WELL SOUTH
OF ST KITTS AND NEVIS THROUGHOUT THE NEXT 18 HRS. 
PILOTS OBSERVED ASH TO FL120 AND ASH TO FL140 SO
THE ASH HEIGHT IS RAISED ACCORDINGLY.  THE
APPEARANCE OF THE ASH IN INFRARED IMAGERY IS ALSO
CONSISTENT WITH ASH ABOVE AT LEAST FL100.   UPPER
AIR FORECASTS ARE NOT ENTIRELY CONSISTENT WITH THE
HIGHER HEIGHTS HOWEVER SO THERE IS GREATER THAN
USUAL UNCERTAINTY IN THE ASH FORECAST AND ASH
HEIGHT.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2006MAY29/2230Z

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